Mathews, B., & Latourette, K. S. (1960). Forward through the ages (New ed.). Friendship.
Cita Chicago Style (17a ed.)Mathews, Basil, y Kenneth Scott Latourette. Forward Through the Ages. New ed. New York: Friendship, 1960.
Cita MLA (9a ed.)Mathews, Basil, y Kenneth Scott Latourette. Forward Through the Ages. New ed. Friendship, 1960.
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